Interdisciplinary Approach to Posttraumatic Stress Disorder

0 n a warm fall morning, disaster struck in a quiet, small, rural, predomi-nantly white community located in an outlying suburb of a major metropoli-tan city. At 8:30 A.M., a high school student arrived at school dressed in army fatigues and armed with a shot-gun, a rifle, a small handgun, several knives, and a can of gunpowder that he claimed was a bomb, all concealed in a large bag. He entered his first-period class with the rifle exposed and was asked to leave; as the teacher struggled to disarm the student, he fired a shot, which struck the ceiling. The studen